In case you missed the Hogwarts Express on 1 September.
A substantial and weighty bottle that you will have to use your own spell to fill. Using Aguamenti really will not be good enough...
This bottle can also be etched with the words 'Marauder's Gin' rather than 'Marauder's Map'
Volume 500 ml
Height: (without stopper) 15.5 cm
(with stopper) 17.5 cm
Width: 13.5 cm
Depth: 6.5 cm
Stopper: unfinished wood cap with synthetic polyethylene bung